1999-01-22 Roland McGrath <roland@baalperazim.frob.com>

	* init-main.c: New file, defining new function diskfs_init_main.
	* diskfs.h: Declare diskfs_init_main.

1 files changed, 78 insertions, 0 deletions

diff --git a/libdiskfs/init-main.c b/libdiskfs/init-main.c
new file mode 100644
index 00000000..a9680dd7
--- /dev/null
+++ b/libdiskfs/init-main.c
@@ -0,0 +1,78 @@
+/* diskfs_init_main -- initialize diskfs world, parse arguments, and open store
+   Copyright (C) 1999 Free Software Foundation, Inc.
+
+This file is part of the GNU Hurd.
+
+The GNU Hurd is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+The GNU Hurd is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with the GNU Hurd; see the file COPYING.  If not, write to
+the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.  */
+
+#include "diskfs.h"
+#include <argp.h>
+#include <assert.h>
+#include <error.h>
+#include <hurd/store.h>
+
+struct store *
+diskfs_init_main (struct argp *startup_argp,
+		  int argc, char **argv,
+		  struct store_parsed **store_parsed,
+		  mach_port_t *bootstrap)
+{
+  error_t err;
+  struct store_argp_params store_params = { 0 };
+  struct store *store;
+
+  /* We must use ARGP_IN_ORDER for the parsing of --boot-command to work.  */
+  err = argp_parse (startup_argp ?: &diskfs_store_startup_argp,
+		    argc, argv, ARGP_IN_ORDER, NULL,
+		    &store_params);
+  assert_perror (err);
+  *store_parsed = store_params.result;
+
+  err = store_parsed_name (*store_parsed, &diskfs_disk_name);
+  if (err)
+    error (2, err, "store_parsed_name");
+
+  /* This must come after the args have been parsed, as this is where the
+     host priv ports are set for booting.  */
+  diskfs_console_stdio ();
+
+  if (diskfs_boot_flags)
+    /* We are the bootstrap filesystem.  */
+    *bootstrap = MACH_PORT_NULL;
+  else
+    {
+      task_get_bootstrap_port (mach_task_self (), bootstrap);
+      if (bootstrap == MACH_PORT_NULL)
+	error (2, 0, "Must be started as a translator");
+    }
+
+  /* Initialize the diskfs library.  Must come before any other diskfs call. */
+  err = diskfs_init_diskfs ();
+  if (err)
+    error (4, err, "init");
+
+  err = store_parsed_open (*store_parsed, diskfs_readonly ? STORE_READONLY : 0,
+			   &store);
+  if (err)
+    error (3, err, "%s", diskfs_disk_name);
+
+  if (store->flags & STORE_HARD_READONLY)
+    diskfs_readonly = diskfs_hard_readonly = 1;
+
+  /* Start the first request thread, to handle RPCs and page requests. */
+  diskfs_spawn_first_thread ();
+
+  return store;
+}